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Acoustic Doppler Current Profiler (ADCP) Data
These acoustic Doppler current profiler (ADCP) data were collected and compiled to characterize the velocity patterns in channel of the Colorado River and in an adjacent zone of... -
Administrative Boundaries Centroids of National Park System Units 06/30/2022
National Park Service unit points. -
Noble gas isotopes and lumped parameter model results for environmental trace...
This data release documents three Microsoft Excel tables; one contains noble gas isotopic data, one contains data for understanding groundwater ages in the South Rim of the... -
Kaibab Plateau Bison Herd Seasonal Ranges
These data represent the Kaibab Plateau bison herd's seasonal ranges on the North Rim of Grand Canyon National Park and the Kaibab National Forest. The Kaibab Plateau bison make... -
Riparian species vegetation classification data for the Colorado River within...
These data are a species-level classification map of riparian vegetation in the Colorado River riparian corridor in Grand Canyon, Arizona, USA. The classification is derived... -
Biogeochemical data of water, sediments, periphyton, and macroinvertebrates c...
The U.S. Geological Survey is studying uranium and associated trace element bioaccumulation in aquatic invertebrates across a gradient of dissolved uranium concentrations in... -
Plant genetic structure data from riparian areas within the Grand Canyon regi...
These data represent nuclear microsatellite data collected from four riparian plant species that occur in and around Grand Canyon National Park: Populus fremontii (POFR), Salix... -
Digital Elevation Models (DEM) Data
These topographic/bathymetric digital elevation models (DEMs) were collected and compiled to characterize erosion and deposition in the Colorado River and in an adjacent zone of... -
Channel Mapping of the Colorado River in Grand Canyon National Park, Arizona,...
Bathymetric, topographic, and grain-size data were collected in May 2009 along a 33-mi reach of the Colorado River in Grand Canyon National Park, Arizona. The study reach is... -
Total Mercury Concentrations in Dragonfly Larvae from U.S. National Parks (ve...
Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks collected as part of the Dragonfly Mercury... -
Northern tamarisk beetle impact and classification maps, Grand Canyon Nationa...
These data are satellite image-derived, classification maps of tamarisk (Tamarisk spp.) along the Colorado River in Grand Canyon National Park from river km 315 to 363,... -
Noble gas isotopes and lumped parameter model results for environmental trace...
This data release documents three Microsoft Excel tables; one contains noble gas isotopic data, one contains data for understanding groundwater ages in the South Rim of the... -
Data for the U.S. Geological Survey Precipitation Chemistry Quality Assurance...
The USGS Precipitation Chemistry Quality Assurance Project (PCQA) operates QA programs to challenge and test the National Atmospheric Deposition Program (NADP) data-collection... -
Mercury Bioaccumulation in US National Parks Using Dragonfly Larvae as Biosen...
Comma-separated values (.csv) files containing data related to a National-scale assessment of mercury bioaccumulation in the US National Parks using dragonfly larvae as... -
Simulated Soil Water Potential in National Parks and Monuments of the Souther...
These data were simulated using the SOILWAT model and were intended to characterize soil-water conditions at different ecological sites on the Southern Colorado Plateau. SOILWAT... -
Daily Climate and Soil Moisture Data for the Southern Colorado Plateau Networ...
These data are daily climate, water balance, and soil moisture data for 300 plots in the National Park Service (NPS) Southern Colorado Plateau Network (SCPN) Inventory &... -
Noble gas isotopes and lumped parameter model results for environmental trace...
This data release documents three Microsoft Excel tables; one contains noble gas isotopic data, one contains data for understanding groundwater ages in the South Rim of the... -
Acoustic Doppler Current Profiler (ADCP) Data
These acoustic Doppler current profiler (ADCP) data were collected and compiled to characterize the velocity patterns in channel of the Colorado River and in an adjacent zone of... -
Southwestern Riparian Plant Trait Matrix, Colorado River, Grand Canyon, Arizo...
Trait-based approaches to vegetation analyses are becoming more prevalent in studies of riparian vegetation dynamics, including responses to flow regulation, groundwater... -
Puma concolor GPS Telemetry and Path Identification Index (2003-2013), Southw...
Capture, GPS-collar tagging, and release of cougars was conducted in northern Arizona and southern Utah and Nevada, USA, from 2003 to 2013 by the U.S. Geological Survey and the...